From nobody Sun Nov 14 22:40:56 2021 X-Original-To: freebsd-questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 0E3EA18583F8 for ; Sun, 14 Nov 2021 22:41:47 +0000 (UTC) (envelope-from parv.0zero9@gmail.com) Received: from mail-ua1-x92e.google.com (mail-ua1-x92e.google.com [IPv6:2607:f8b0:4864:20::92e]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4HsnPQ2lWpz3NsY for ; Sun, 14 Nov 2021 22:41:46 +0000 (UTC) (envelope-from parv.0zero9@gmail.com) Received: by mail-ua1-x92e.google.com with SMTP id r15so3693729uao.3 for ; Sun, 14 Nov 2021 14:41:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:from:date:message-id:subject:to; bh=DQPjuXeCP7wbIwONo7gvYu5cPkPZh97QXadvhODLusQ=; b=YBje4I2fGzpVGa8315JyoSTGZFIzoADwS3IZiOJjmgzJMLL2J4pDjS02Efgmv2Rryg L/5e6HKfJAz8EA68BPaBtAQdbG2+uDuDjE5nfGBMcEy70rU9GeUYJ5bJ4DCE00cF6esq 9FTM3/ISxcqS4B2ZNIDbigtE+5KxNdmNPF+khzHah7Qm9EEq74Sqxzv/u7ShlhGFvZsV IbNjIHz1uUP6aTCtu8Zsod9Ly/GbohHvm14r8/p+x/EnXXeGjfJshuEBmhBIdvmfwsBs lJYcqHVRSKCFF7hR84iitNtRLFadKb4oBO9Jt6Gpjhg4PYuM22NgqkuiUrs0tsSzQQjv GLvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=DQPjuXeCP7wbIwONo7gvYu5cPkPZh97QXadvhODLusQ=; b=QfV8U7l+ZybHwkhVKX1QDPGbm8elJi8ReMTR36HMI1dQ0CnxiylLS6TPMg4szHZFuo xmGbhnr7gAnUMdpG79IKsU75YI6h2679Qg7YJu0iCXIHu9ZDHSt6oLT9kv7i4sFNbtdK +NEhIVKepBkGZLOtoDu7q9Xscg+EQDV56xQVsNZkKI9jGK0YC99UK67K8AKLKjnZ+Djs GoIsSR9B7zqLd1BwWIdXdXdUKQVTRW1tawp3+XyjzEz+SxvasXYwa9Xb0PfQTs1tt5Pb pETRxeJxEVpSVxFZcYrIrbe4mp5+VXuO3A8YXYnaFPqL1RQs+9plTbcKgmtWrLgGJrOA KF8Q== X-Gm-Message-State: AOAM530xPxm9SeGFzxr77m3xISmI1gL4hkyxdJzDwP2DeSLDV/so22nt R7GnRfkqHtmobCkdcs5xdTEOxnMHAjQGk99g0CAa+T+Y2jk= X-Google-Smtp-Source: ABdhPJzBmc/ENQSVTN2PDnbtXl/WOnz97M03JnurVamvEpQhewPDp4u/4iUBeXmR+1fv0dFC3lZ4s4NO6LK2jIsriD0= X-Received: by 2002:a05:6102:3ece:: with SMTP id n14mr36610664vsv.55.1636929705731; Sun, 14 Nov 2021 14:41:45 -0800 (PST) List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org MIME-Version: 1.0 From: "parv/freebsd" Date: Sun, 14 Nov 2021 12:40:56 -1000 Message-ID: Subject: Mute "arp: 01:02:03:04:05:06 is multicast"; find source? To: freebsd-questions@freebsd.org Content-Type: multipart/alternative; boundary="000000000000a1ec7d05d0c765ad" X-Rspamd-Queue-Id: 4HsnPQ2lWpz3NsY X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20210112 header.b=YBje4I2f; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of parv0zero9@gmail.com designates 2607:f8b0:4864:20::92e as permitted sender) smtp.mailfrom=parv0zero9@gmail.com X-Spamd-Result: default: False [-3.00 / 15.00]; FREEMAIL_FROM(0.00)[gmail.com]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; TO_DN_NONE(0.00)[]; MID_RHS_MATCH_FROMTLD(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-1.00)[-0.997]; FROM_EQ_ENVFROM(0.00)[]; SUBJECT_ENDS_QUESTION(1.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; TAGGED_FROM(0.00)[freebsd]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20210112]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::92e:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-ThisMailContainsUnwantedMimeParts: N --000000000000a1ec7d05d0c765ad Content-Type: text/plain; charset="UTF-8" Hi there, Is there any way to mute in syslog message ... arp: 01:02:03:04:05:06 is multicast ... or block|drop via some firewall rule? On some days it comes nearly every hour, each instance shifted forwarded by few minutes ... ... Nov 12 17:23:34 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 12 18:25:22 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 12 19:27:10 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 12 20:28:58 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 12 21:30:46 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 12 22:32:34 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 12 23:34:23 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 00:36:11 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 01:37:59 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 02:39:47 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 03:41:35 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 04:43:23 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 05:45:11 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 06:46:59 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 07:48:47 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 08:50:35 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 09:52:24 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 10:54:12 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 11:56:00 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 12:57:48 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 13:59:36 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 15:01:24 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 16:03:12 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 17:05:00 idas1 kernel: arp: 01:02:03:04:05:06 is multicast Nov 13 18:06:48 idas1 kernel: arp: 01:02:03:04:05:06 is multicast ... On a FreeBSD 12.2 host, it just gets logged. On a (FreeBSD) 13.0 host, message is logged and also sent in daily email. Also, how could I identify the source that causes the message in the first place? - parv --000000000000a1ec7d05d0c765ad--